Brembo 01-06 M3 (E46) Front GT BBK 4 Piston Cast 2pc 355x32 2pc Rotor Slotted Type3-Red

This Brembo GT Big Brake Kit for your 2001-2006 BMW M3 (E46) includes everything you need to significantly upgrade your front braking system. You get a pair of red 4-piston cast aluminum calipers, two-piece 355x32mm slotted rotors, and all the necessary hardware to get them installed. This kit is designed to replace your factory front brakes with a much more robust setup, giving you improved stopping power and heat management for spirited driving or track use.

The calipers are made from cast aluminum, which keeps them strong yet relatively lightweight. They feature a 4-piston design, meaning more pad surface area contacts the rotor, which translates to better clamping force and more consistent braking. The two-piece rotors are a key component here; the 355mm diameter and 32mm thickness provide a large thermal mass to absorb heat, while the slotted surface helps to vent gases and dust away from the pad surface. This slotting pattern is Brembo's Type 3, known for its effectiveness in clearing out debris and maintaining pad performance under heavy use. The red caliper finish adds a nice visual touch to your wheels.

Installing a big brake kit like this is a significant upgrade, and it's often paired with a brake fluid flush using a high-temperature fluid to get the most out of the new hardware. While this kit is designed as a direct replacement for the factory brake components, it's always a good idea to refer to the manufacturer's installation guide for specific torque values and procedures to ensure everything is set up correctly. The result is a braking system that feels more solid and responsive, especially when you push your M3.